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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 429

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
1 Jul — 8 Jul1
1 adult

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in May or October, booked 57 days in advance, depart on a Sunday or Thursday and return on a Tuesday

Cheap flight deals from Pierre Elliott Trudeau Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 June 2025.

Round-trip from

C$ 722

One-way from

C$ 429

Popular in

December

Cheapest in

May

Average price

C$ 937

Good round-trip deal

C$ 679 or less

Good one-way deal

C$ 463 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 25/8-9/9
  • 2 total stops
  • 48h 10m total
  • Montreal to London
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11/7
  • 11/7
  • 2 total stops
  • 18h 25m total
  • Montreal to London
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Highest demand for flights based on searches. 5% potential increase in price (C$ 83 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 39 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
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Find flight deals from Pierre Elliott Trudeau Intl to London

Cheapest flights from Pierre Elliott Trudeau Intl to London
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 June 2025.

Wed 10/910:05 p.m.YUL - LGW
Nonstop6h 45mPorter Airlines
Tue 23/911:35 a.m.LGW - YUL
Nonstop7h 40mPorter Airlines
Deal found 24/6C$ 719
Fri 12/93:10 p.m.YUL - LGW
1 stop14h 35mAir Transat
Fri 3/1011:35 a.m.LGW - YUL
Nonstop7h 40mAir Transat
Deal found 23/6C$ 721
Mon 25/810:45 p.m.YUL - LHR
1 stop18h 15mTAP AIR PORTUGAL
Tue 9/97:50 p.m.LHR - YUL
1 stop29h 55mTAP AIR PORTUGAL
Deal found 24/6C$ 722
Sun 7/95:10 p.m.YUL - LHR
1 stop11h 50mAir Canada
Sun 14/96:50 a.m.LHR - YUL
1 stop9h 45mAir Canada
Deal found 24/6C$ 730
Thu 9/109:55 p.m.YUL - LHR
Nonstop6h 40mMultiple Airlines
Mon 13/106:50 a.m.LHR - YUL
1 stop9h 45mMultiple Airlines
Deal found 23/6C$ 753
Mon 18/810:45 p.m.YUL - LGW
1 stop30h 00mTAP AIR PORTUGAL
Mon 8/910:35 a.m.LGW - YUL
1 stop15h 35mTAP AIR PORTUGAL
Deal found 25/6C$ 759
Wed 10/99:55 p.m.YUL - LHR
Nonstop6h 40mLufthansa
Wed 17/99:30 a.m.LHR - YUL
Nonstop7h 10mLufthansa
Deal found 23/6C$ 768
Wed 3/910:05 p.m.YUL - LGW
Nonstop6h 45mMultiple Airlines
Fri 19/911:35 a.m.LGW - YUL
Nonstop7h 40mMultiple Airlines
Deal found 24/6C$ 778
Thu 4/96:50 p.m.YUL - SEN
1 stop15h 55mMultiple Airlines
Thu 18/95:40 p.m.SEN - YUL
1 stop22h 55mMultiple Airlines
Deal found 25/6C$ 826
Mon 13/101:30 p.m.YUL - LHR
1 stop15h 30mAustrian Airlines
Thu 23/109:05 a.m.LHR - YUL
2 stops30h 30mAustrian Airlines
Deal found 25/6C$ 826
Wed 10/93:41 p.m.YUL - LHR
2 stops13h 59mUnited Airlines
Tue 16/99:30 a.m.LHR - YUL
2 stops15h 15mUnited Airlines
Deal found 23/6C$ 839
Mon 15/911:40 p.m.YUL - STN
1 stop16h 40mMultiple Airlines
Mon 22/96:05 a.m.STN - YUL
1 stop15h 00mMultiple Airlines
Deal found 24/6C$ 842

Cheapflights Fare Finder

Customize your flight search to find flights from Pierre Elliott Trudeau Intl to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 June 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

London

Route

Depart

Return

Price

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 25/8

10:45 p.m.-10:00 p.m.

1 stop18h 15m

London Heathrow

Tue 9/9

7:50 p.m.-8:45 p.m.

1 stop29h 55m

C$ 722

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

5:50 p.m.-10:45 a.m.

1 stop11h 55m

London Gatwick

Mon 22/9

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

C$ 725

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

5:10 p.m.-10:00 a.m.

1 stop11h 50m

London Heathrow

Sun 14/9

6:50 a.m.-11:35 a.m.

1 stop9h 45m

C$ 730

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

10:45 p.m.-9:45 a.m.

1 stop30h 00m

London Gatwick

Wed 10/9

4:25 p.m.-9:10 p.m.

1 stop33h 45m

C$ 730

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 16/9

10:00 a.m.-7:55 a.m.

1 stop16h 55m

London Gatwick

Tue 23/9

12:40 p.m.-7:20 p.m.

1 stop11h 40m

C$ 737

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Wed 10/9

6:50 a.m.-11:35 a.m.

1 stop9h 45m

C$ 755

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Wed 17/9

9:30 a.m.-11:40 a.m.

Nonstop7h 10m

C$ 768

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 16/7

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

London Gatwick

Sun 14/9

9:40 a.m.-9:30 p.m.

1 stop16h 50m

C$ 801

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

6:50 p.m.-3:45 p.m.

1 stop15h 55m

London Southend

Thu 18/9

5:40 p.m.-11:35 a.m.

1 stop22h 55m

C$ 826

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

2:00 p.m.-10:40 a.m.

1 stop15h 40m

London Heathrow

Mon 15/9

9:30 a.m.-5:00 p.m.

1 stop12h 30m

C$ 839

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/6

Showing 1-10 of 47 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to London

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to London. Price data was last updated on 20 June 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 560). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in July is currently the most expensive (average of C$ 856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to LON?

Find hourly flight availability from Pierre Elliott Trudeau Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 June 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 33% on flights from Montreal Pierre Elliott Trudeau Intl Airport to London by exploring options for tickets at noon.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to London?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to London. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to London flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London

Explore weekly flight availability from Pierre Elliott Trudeau Intl to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 26 June 2025.

The most flights from YUL to LON are scheduled on a Wednesday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 26 June 2025.
Get a feel of what it's like to fly with Delta,Porter Airlines, andKLM from Montreal Pierre Elliott Trudeau Intl Airport to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
295 reviews
Delta
8.0
Very good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,365 reviews
Delta
8.0
Very good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
401 reviews
Delta
8.0
Very good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
805 reviews
Delta
8.0
Very good
7,964 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London round-trip?

    Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to London is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as C$ 722 on this airline. Additional options worth looking into are Air Transat and Air Canada, starting at C$ 725 and C$ 730 round-trip. These flights start at 24% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to London one-way?

    C$ 435 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on TAP AIR PORTUGAL and Air Transat, with prices starting from C$ 435 and C$ 514, respectively.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to London?

    When deciding which route to take from Montreal Pierre Elliott Trudeau Intl Airport to London consider Montreal Pierre Elliott Trudeau Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London City as they are the most popular.

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Consider American Airlines (90%), Aer Lingus (90%) or Finnair (90%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Looking at all options, your cheapest flight can be booked for C$ 589. While the most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow) can be booked for C$ 673 on average our data indicates C$ 1,750 when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to London that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to London.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to London?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 560). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in July is currently the most expensive (average of C$ 856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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Fly from Pierre Elliott Trudeau Intl to London on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to London. Flights are based on user searches made on Cheapflights and were last updated on 26 June 2025.
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to London
Air Transat flights from Montreal Pierre Elliott Trudeau Intl to London
British Airways flights from Montreal Pierre Elliott Trudeau Intl to London

Top 10 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 10 airlines that operate flights from Pierre Elliott Trudeau Intl to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 June 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 597AverageC$ 668FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air TransatCheapestC$ 649AverageC$ 963FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 680AverageC$ 765FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 740AverageC$ 983FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapestC$ 761AverageC$ 853FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 762AverageC$ 994FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 779AverageC$ 1,019FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapestC$ 795AverageC$ 999FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapestC$ 808AverageC$ 895FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 939AverageC$ 1,134FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to London?

When you search for this flight from Pierre Elliott Trudeau Intl to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to London?

Cheapflights helps you find that perfect flight to London from Pierre Elliott Trudeau Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

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